Triple
T17900057
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Okayama Prefecture |
E447546
|
entity |
| Predicate | hasTouristAttraction |
P530
|
FINISHED |
| Object | Bitchu Matsuyama Castle |
—
|
NE NERFINISHED |
How this triple was built (3 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Bitchu Matsuyama Castle | Statement: [Okayama Prefecture, hasTouristAttraction, Bitchu Matsuyama Castle]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bitchu Matsuyama Castle Context triple: [Okayama Prefecture, hasTouristAttraction, Bitchu Matsuyama Castle]
-
A.
Matsuyama Castle
Matsuyama Castle is a well-preserved hilltop Japanese feudal castle in Matsuyama, Ehime Prefecture, known as one of Japan’s twelve remaining original castles and a prominent historic and scenic landmark.
-
B.
Tsuyama Castle
Tsuyama Castle is a historic Japanese hilltop castle in Okayama Prefecture, once renowned for its extensive stone walls and numerous cherry trees, and now preserved as scenic castle ruins.
-
C.
Tsuwano Castle
Tsuwano Castle is a historic Japanese mountaintop fortress in present-day Shimane Prefecture, known for its atmospheric ruins and scenic views over the old castle town of Tsuwano.
-
D.
Kasugayama Castle
Kasugayama Castle was a major Sengoku-period mountain fortress in Echigo Province, Japan, best known as the stronghold and residence of the warlord Uesugi Kenshin.
-
E.
Wakamatsu Castle
Wakamatsu Castle is a historic Japanese fortress in Aizuwakamatsu, Fukushima Prefecture, renowned for its role in the Boshin War and its distinctive red-tiled keep.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bitchu Matsuyama Castle Target entity description: Bitchu Matsuyama Castle is a historic mountaintop Japanese castle famed as one of the country’s few remaining original castles and for its dramatic “castle in the sky” appearance above the clouds.
-
A.
Matsuyama Castle
Matsuyama Castle is a well-preserved hilltop Japanese feudal castle in Matsuyama, Ehime Prefecture, known as one of Japan’s twelve remaining original castles and a prominent historic and scenic landmark.
-
B.
Tsuyama Castle
Tsuyama Castle is a historic Japanese hilltop castle in Okayama Prefecture, once renowned for its extensive stone walls and numerous cherry trees, and now preserved as scenic castle ruins.
-
C.
Tsuwano Castle
Tsuwano Castle is a historic Japanese mountaintop fortress in present-day Shimane Prefecture, known for its atmospheric ruins and scenic views over the old castle town of Tsuwano.
-
D.
Kasugayama Castle
Kasugayama Castle was a major Sengoku-period mountain fortress in Echigo Province, Japan, best known as the stronghold and residence of the warlord Uesugi Kenshin.
-
E.
Wakamatsu Castle
Wakamatsu Castle is a historic Japanese fortress in Aizuwakamatsu, Fukushima Prefecture, renowned for its role in the Boshin War and its distinctive red-tiled keep.
- F. None of above. chosen
Provenance (2 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d8b9f59bd48190a6fc925a855b8bac |
completed | April 10, 2026, 8:51 a.m. |
| NER | Named-entity recognition | batch_69e49d8321bc8190a3f679d96323cbbb |
completed | April 19, 2026, 9:16 a.m. |
Created at: April 10, 2026, 10:19 a.m.